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187435 (2005 WD53)
Classification: Main-belt Asteroid          SPK-ID: 2187435
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03937357554640074 4.1881e-08  
a 3.197017986050738 3.3102e-08 au
q 3.071139956853767 1.3179e-07 au
i 2.743135519663825 5.3772e-06 deg
node 64.12096849998494 0.0001072 deg
peri 50.15873190708852 0.00013081 deg
M 184.0290034765263 7.5386e-05 deg
tp 2460221.097826026604
(2023-Oct-03.59782603)		 0.00043927 TDB
period 2087.93053757905
5.72		 3.2428e-05
8.878e-08		 d
yr
n .1724195290603006 2.6778e-09 deg/d
Q 3.322896015247708 3.4405e-08 au
   Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      7120 days (19.49 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51511  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:54:54  

Additional Information
 Earth MOID = 2.08848 au 
 Jupiter MOID = 1.70948 au 
 T_jup = 3.192 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO433234  

187435 (2005 WD53)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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